1. HA802 sequential power switch, the work is controlled by a microcomputer, to achieve independent sequential switch output power and connected computer control work.

2. HA802 can also use the "one-press-on" button after all power outputs are connected to instantly turn on or off the output of any power supply to facilitate the independent handling of sudden failures of a certain equipment.

3. HA802 provides a working light socket that can be switched independently, and the front panel has a voltmeter function.